16006665208 has 16 divisors (see below), whose sum is σ = 30129281280. Its totient is φ = 7972190208.

The previous prime is 16006665187. The next prime is 16006665253. The reversal of 16006665208 is 80256660061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3890616 + ... + 3894727.

It is an arithmetic number, because the mean of its divisors is an integer number (1883080080).

Almost surely, 2^16006665208 is an apocalyptic number.

It is an amenable number.

16006665208 is a deficient number, since it is larger than the sum of its proper divisors (14122616072).

16006665208 is a wasteful number, since it uses less digits than its factorization.

16006665208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7785606 (or 7785602 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 16006665208 in words is "sixteen billion, six million, six hundred sixty-five thousand, two hundred eight".